DOWNLOAD Panasonic KX-UT113RU / KX-UT113RU-B / KX-UT123RU / KX-UT123RU-B (serv.man3) Service Manual ↓ Size: 2.49 MB | Pages: 93 in PDF or view online for FREE

Model
KX-UT113RU KX-UT113RU-B KX-UT123RU KX-UT123RU-B (serv.man3)
Pages
93
Size
2.49 MB
Type
PDF
Document
Service Manual
Brand
Device
PBX / SIP PHONE
File
kx-ut113ru-kx-ut113ru-b-kx-ut123ru-kx-ut123ru-b-sm.pdf
Date
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Panasonic KX-UT113RU / KX-UT113RU-B / KX-UT123RU / KX-UT123RU-B (serv.man3) Service Manual ▷ View online

29
KX-UT113RU/KX-UT113RU-B/KX-UT123RU/KX-UT123RU-B
Table-2
Table-3
Note:
Refer to waveform (3) in  Waveform (P.70) .
No.2
No Power(VCC DSP:+3.3V) Error
[Check Points]
Measure the voltage at C564(Between VCC DSP and DG). 
Is it 3.3V?
[Related Parts]
DL501(VCC DSP), C564, C531, C533, C534, C549
Recheck 9.1.1 or 9.1.2.(Power Supply)
[Related Circuit]
No. 3,4,5,7,9
Flash ROM Data Error / DSP ROM Data Error
[Check Points]
Measure the SCLK signal at Pin 16 of  IC504. 
Is it 6.25MHz?
See the communication waveform (3).*
[Related Parts]
R562,L515(SCLK),IC504,R511,C528,C569,R597,R596,
R521,R543
[Related Circuit]
30
KX-UT113RU/KX-UT113RU-B/KX-UT123RU/KX-UT123RU-B
Table-4
Note:
Refer to waveform (5) in  Waveform (P.70) .
No. 6
 SDRAM Data Error
[Check Points]
Measure the SDCLK signal at Pin 38 of  IC503. 
Is it 64MHz?
See the communication waveform (5).*
[Related Parts]
R567,L501(SDCLK),IC501,IC503,R508,R516,R517,R520,R538,R546,R556,R557,R567,L501,
RA501-RA508,RA521,RA522
C513-C519,C524-C527,C578(Between 3.3V and DG)
[Related Circuit]
31
KX-UT113RU/KX-UT113RU-B/KX-UT123RU/KX-UT123RU-B
Table-5
No. 8
 ASIC Data Error
[Check Points]
Measure the ASICCLK signal at Pin 1 of  IC205(Ope PCB).
Flat Cable(Between Main PCB and Ope PCB)
For details to 9.3.1 ASIC Data Error. (P.34)
[Related Parts]
CN101,L111,L113,L114,L116,L117,C136,R524,R537,R544,L504,R550
(Main PCB),CN205,IC205,L211(Ope PCB), 
Flat Cable(Between Main PCB and Ope PCB)
[Related Circuit]
32
KX-UT113RU/KX-UT113RU-B/KX-UT123RU/KX-UT123RU-B
Table-6
No. 10
 PHY Data Error
[Check Points]
Measure the ECLK signal at TP MAINOSC.
Flat Cable(Between Main PCB and Ope PCB)
For details to 9.7.1 PHY Data Error. (P.38)
[Related Parts]
IC401, IC501, X501, R552-R554, L502 
R401, R402, R403, R405, R406, R410, RA403, RA511, R506,L401-L404, L407, L414, C415, 
R542, L513
[Related Circuit]
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